CVE-2021-38788

Description

The Background service in Allwinner R818 SoC Android Q SDK V1.0 is used to manage background applications. Malicious apps can use the interface provided by the service to set the number of applications allowed to run in the background to 0 and add themselves to the whitelist, so that once other applications enter the background, they will be forcibly stopped by the system, causing a denial of service.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.79% Top 30%

Vendor Advisory allwinnertech.com

Affected: n/a n/a

References

Link	Tags
https://www.allwinnertech.com/index.php?c=product&a=index&id=92	product vendor advisory
https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9Abackground%20service%20has%20EoP%20Vulnerability.md	third party advisory broken link
https://www.cnvd.org.cn/flaw/show/CNVD-2021-46928	third party advisory
https://vul.wangan.com/a/CNVD-2021-46928	third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-38788?: CVE-2021-38788 has been scored as a high severity vulnerability.
How to fix CVE-2021-38788?: To fix CVE-2021-38788, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-38788 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-38788 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.